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Display apparatus and control method thereof

一种显示装置、控制方法的技术，应用在照明装置、输出功率的转换装置、静态指示器等方向，能够解决用户不完全了解LED背光单元类型、用户无法直接了解产品优越性区别等问题

Inactive Publication Date: 2013-05-15
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, in general, users are not fully aware of LED backlight unit types
Therefore, users cannot directly understand the superiority of the product and the difference from other products

Method used

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  • Display apparatus and control method thereof
  • Display apparatus and control method thereof
  • Display apparatus and control method thereof

Examples

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Embodiment Construction

[0034] Reference will now be made in detail to embodiments of the invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like parts. The embodiments will be described below in order to explain the present invention by referring to the figures.

[0035] Such as figure 1 As shown, the display device according to the exemplary embodiment of the present invention includes a signal input part 10 , a signal processing part 20 , a liquid crystal driving part 31 , a liquid crystal display part 33 , a backlight unit 40 , a user input part 50 and a control part 60 .

[0036] The signal input section 10 according to this exemplary embodiment receives a video signal, and may include a tuner (not shown) for receiving a broadcast signal, and an external connection terminal (not shown) for receiving a video signal from an external device.

[0037] Here, the external connection terminal may include various types of connectors for r...

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PUM

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Abstract

A display apparatus and method are provided, the display apparatus includes: a display part; a backlight unit which illuminates the display part locally; and a control part which controls the backlight unit to illuminate based on an input video signal, and changes a color information of the input video signal so that an operating state of the backlight unit is displayed on the display part.

Description

technical field [0001] A display device and a control method thereof according to the present invention relate to a backlight unit including light emitting diodes (LEDs) capable of locally adjusting brightness. Background technique [0002] Recently, a display device having a screen illuminated by a backlight unit has been widely used, such as an LCD monitor. The display device adjusts the brightness of the screen by adjusting the brightness of the backlight unit. [0003] Display devices of the related art use fluorescent lamps emitting white light, such as cold cathode fluorescent lamps (CCFL), hot cathode fluorescent lamps (HCFL), etc., for a backlight unit. [0004] However, display devices using fluorescent lamps cannot represent the entire color gamut due to the optical characteristics of light emitted by fluorescent lamps. [0005] Therefore, display devices that use LEDs for backlight units to adjust the brightness of the backlight units are widely used. If LEDs a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/34G09G3/36G09G3/20G09G5/02G02F1/133H05B37/02H05B44/00
CPCG09G3/3426G09G2360/16G09G2320/08H02M3/1584G09G3/3611G09G2320/0606G09G3/006G09G2320/0646G02F1/133G02F1/1335H04N9/64
Inventor 康虎雄
Owner SAMSUNG ELECTRONICS CO LTD